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Bought the wrong speed tube!

Old 09-01-20, 03:30 PM
  #1  
freak
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Bought the wrong speed tube!

Actually this was given to me but I'm screwed. Was going to use this on a 5 speed.

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Old 09-01-20, 03:58 PM
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All because the people in the sales department of the tire and tube manufacturers won't use ISO sizing.

They have to think of creative ways to come up with a description of what it's intended for.

Oh well!
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Old 09-01-20, 05:17 PM
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Gresp15C
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The correct ISO number for the speeds of a 3 speed bike is 3.
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Old 09-01-20, 06:14 PM
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Many 3-speed bikes use 650A (590mm bead seat diameter) wheels. A tube for that size won't fit well in a typical 559mm bead seat diameter tire.
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Old 09-01-20, 06:34 PM
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Brian44t
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I use these on my Raleigh 3 speed and other wheels that use 26 x 1 3/8 tires. I think they may be called 37-590 as well. Some Walmart's have them for 4.98 and I stock up when I find them and had good luck so far.
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Old 09-01-20, 07:43 PM
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Well, shoot. That explains why I'm so slow. I just checked, and I've been using 9 speed tubes on my 10 speed bike.
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